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55000500055050 = 2352111723181471007
BaseRepresentation
bin11001000000101110011010…
…10001001010110000001010
321012201222220102012211010110
430200113031101022300022
524202112011003230200
6312550514135455150
714404440443526564
oct1440271521126012
9235658812184113
1055000500055050
111658564346a390
1262035702274b6
13248c6a928b3b4
14d8207755c334
15655a5120ab50
hex3205cd44ac0a

55000500055050 has 384 divisors, whose sum is σ = 165313227276288. Its totient is φ = 11937176064000.

The previous prime is 55000500055043. The next prime is 55000500055051. The reversal of 55000500055050 is 5055000500055.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 55000500054999 and 55000500055017.

It is not an unprimeable number, because it can be changed into a prime (55000500055051) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 116536647 + ... + 117007653.

It is an arithmetic number, because the mean of its divisors is an integer number (430503196032).

Almost surely, 255000500055050 is an apocalyptic number.

55000500055050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55000500055050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82656613638144).

55000500055050 is an abundant number, since it is smaller than the sum of its proper divisors (110312727221238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55000500055050 is a wasteful number, since it uses less digits than its factorization.

55000500055050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471254 (or 471249 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

The spelling of 55000500055050 in words is "fifty-five trillion, five hundred million, fifty-five thousand, fifty".